Comparison

BookBubble vs Book Nova

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

BookBubble

This app provides a spoiler-free wiki for books, unlocking information chapter by chapter as you read. It also helps you track reading sessions, organize your library, and set reading goals to build a consistent habit.

Highlights
  • Spoiler-free fan wiki
  • Chapter-by-chapter entry unlocking
  • Reading session tracking
  • Ambient reading music
  • Customizable book library
  • Reading goal setting
  • Calendar view of reading habits
Features
Read full description

That moment when a quick online search about a character spoils the whole plot of your book. That pain is why we built BookBubble. A fan-powered and spoiler-free Wiki that only unlocks, what you’ve actually read so far. A FAN WIKI THAT CAN'T SPOIL YOU - Look up any character, creature, location, item, or group in your book and only see what you've actually read so far. - Entries unlock chapter by chapter as you read - No more accidentally spoiling yourself while searching online - Contribute while reading and become part of the wiki READING SESSIONS - Track every session you spend in a book. - Log minutes read and chapters finished - Play ambient music while you read - Build a clear picture of your reading habit over time YOUR LIBRARY, YOUR WAY - Organize your books exactly how you read them. - Default Shelves for Currently Reading, TBR, DNF, and Finished - Create and add your own custom collections - Share or hide your shelves on your public profile CALENDAR & READING GOAL - See your reading habit take shape. - A built-in calendar shows exactly which day you read which book - Watch your reading time grow as time goes by - Set a yearly reading goal and track your progress toward it - Set notifications to make reading a habit Built for readers of fantasy, romantasy, and any book with worldbuilding too rich to hold in your head. Download BookBubble and dive into your books, chapter by chapter β€” spoiler-free.

About

Book Nova

This app transforms reading into a fun, visual challenge by tracking the physical height of books read. It serves as a comprehensive reading journal, offering detailed stats, goal setting, and achievement badges to motivate users and organize their personal libraries.

Highlights
  • Track book height for reading challenges
  • Log read, want-to-read, and currently reading books
  • Rate and review books
  • Detailed reading statistics by genre and language
  • Set visible reading goals
  • Earn reading achievement badges
  • Organize digital library and TBR lists
Features
Read full description

Book Nova β€” The reading tracker that turns every book into a challenge Love reading but struggle to stay consistent? Book Nova makes every page count. Track your books, crush your reading goals, and watch your TBR pile grow into something epic. A reading challenge unlike any other: read your own height in books Most reading apps just count books. Book Nova counts inches. Every book you read adds its real thickness to your stack β€” and your goal is to read the equivalent of your own height. Start by topping a mouse. Keep reading and you'll pass a house cat, a beagle, a panda… can you reach giraffe level? The most fun reading challenge you'll ever try. A complete book tracker, reading journal & book diary Book Nova is built for real readers: - Log every book you've read, want to read, or are currently reading - Rate and review your reads β€” keep your personal book diary - See clear stats: genres, languages, fiction vs. nonfiction, monthly progress - Analyze your reading habits over time and spot the patterns Whether you read 10 books a year or 100, Book Nova grows with you. Set reading goals that actually motivate Forget boring number counters. Book Nova turns your reading goals into visible milestones. See your book stack grow. Compare it to animals, objects, landmarks. Every reading session feels like progress β€” because it is. Earn badges that celebrate how you read Night reader, speed reader, romance fan, fantasy explorer, sci-fi lover, nonfiction nerd β€” Book Nova has dozens of badges waiting to be unlocked. Every reading habit becomes an achievement that keeps you coming back. Your personal digital library, always organized Build the library you've always wanted: - Sort books by date, rating, genre or language - Create your TBR list and reading list so no book gets forgotten - Track borrowed and lent books β€” names, dates, notes - Find any book you've ever read, anytime Perfect for BookTok, romance readers, fantasy fans & every bookworm Whether you're deep in a romantasy series, building your classics collection, or just starting your reading journey, Book Nova is the reading companion that makes every book matter. Why readers love Book Nova: - A motivating reading challenge you won't find anywhere else - A precise book tracker with deep reading stats - A gorgeous personal library that follows your reading habits - TBR management, book ratings & reading goals in one app - Designed for book lovers, by book lovers Download Book Nova and transform the way you read β€” one book (and one inch) at a time.

Screenshots

BookBubble4 screens
Book Nova4 screens

Verdict

The call

The clearest difference is in-app purchases: BookBubble at none against Book Nova's 6. BookBubble also leads on ads (none vs shown) and review sentiment (100% vs 86%). Book Nova's advantage is update cadence (weekly vs monthly). On price, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Book Nova sells 6 in-app purchases, starting at $4.99 per month. BookBubble asks for nothing beyond the download.

UpkeepUpdate frequency

BookBubble ships an update monthly, Book Nova weekly. Both last shipped on October 30, 2026.

Scorecard5 real differences Β· 3 level
BookBubble versus Book Nova: the parameters behind the verdict, then further details
ParameterBookBubbleBook Nova
PriceFreeFree
Positive reviews100.0% of reviews β€” better86.2% of reviews
Update frequencyMonthlyWeekly β€” better
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
MonetizationFree β€” betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS16.415.1 β€” better
Further details β€” not scored
Size60 MB59 MB
Age rating17+4+
DeveloperTimon GrasslAna Maria Gutierrez Moyano Alfaro

Customer experience

BookBubble

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Book Nova

Written reviews29 reviews
Positive86.2%
Neutral6.9%
Negative6.9%

In-app purchases

None

BookBubble

No in-app purchases

6 purchases

Book Nova

Subscriptions6
  • Monthly Premium$4.991 Month
  • Book Nova Premium Monthly Plus$6.991 Month
  • Book Nova Premium Annual – Promo14 Days trial$24.991 Year
Show 3 more
  • Book Nova Premium – Exclusive Offer$29.991 Year
  • Book Nova Premium Annual14 Days trial$34.991 Year
  • Book Nova Premium Annual14 Days trial$49.991 Year

Questions

Is BookBubble free?
BookBubble is free to download, with no in-app purchases.
Is Book Nova free?
Book Nova is free to download, with in-app purchases available.
Do BookBubble or Book Nova have ads?
Book Nova shows ads; BookBubble does not.
Which is updated more often, BookBubble or Book Nova?
BookBubble ships an update monthly, and Book Nova weekly. Most recently, BookBubble was updated on October 30, 2026 and Book Nova on October 30, 2026.

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